fixed gcc warnings that call returns not checked

modified:   src/collect/collect.c
modified:   src/udev/udev-node.c
modified:   src/udev/udevadm-settle.c
modified:   src/udev/udevd.c

1 files changed, 4 insertions, 1 deletions

diff --git a/src/udev/udevadm-settle.c b/src/udev/udevadm-settle.c
index 9eeeab8f14..9ae6c6bf8e 100644
--- a/src/udev/udevadm-settle.c
+++ b/src/udev/udevadm-settle.c
@@ -201,7 +201,10 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
                         if (poll(pfd, 1, delay) > 0 && pfd[0].revents & POLLIN) {
                                 char buf[sizeof(struct inotify_event) + PATH_MAX];
 
-                                read(pfd[0].fd, buf, sizeof(buf));
+                                if(read(pfd[0].fd, buf, sizeof(buf)) < 0){
+								        log_error("failed to read /run/udev");
+										goto out;
+								}
                         }
                 } else {
                         sleep(1);